Plant
Reflexed Stonecrop
Petrosedum rupestreAlso known as Jenny's Stonecrop, Blue Stonecrop, Stone Orpine, Prick-madam
Reflexed stonecrop forms dense, sprawling evergreen carpets of cylindrical blue-gray succulent foliage that anchor into shallow crevices and old masonry. In early summer, the flowering stems nod downward in tight buds before straightening upward to display clusters of brilliant star-shaped yellow blossoms. Its fleshy leaves utilize specialized Crassulacean Acid Metabolism, taking in carbon dioxide at night to survive prolonged drought in sun-baked environments.
SucculentGroundcoverDrought-Tolerant
—observations
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—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyPhotosynthetic autotroph
Predators
- Snails
- Slugs
- Aphids
ThreatsHabitat loss from quarrying, masonry repointing, and invasive plant competition
HabitatsRocky outcrops, scree slopes, cliffs, and stone walls
Life spanPerennial (5–10+ years)
Classification
- OrderSaxifragales
- FamilyCrassulaceae
- GenusPetrosedum
- SpeciesPetrosedum rupestre
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Safe to observe at a normal distance.
Responsible observation
- Bud Inspection: Observe the flower stems before they bloom to see them nod distinctively downward.
- Rock Garden Use: Propagate trailing stem cuttings by simply pressing them into well-drained, gritty soil.
Competitor (c) Sannse, some rights reserved (CC BY-SA) · cc-by-sa
Frequent Companion (c) Katja Schulz, some rights reserved (CC BY) · cc-by
Pollinator (c) Odd Wellies, some rights reserved (CC BY) · cc-by
Close Relative (c) Thomas Koffel, some rights reserved (CC BY), uploaded by Thomas Koffel · cc-by
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